CN210481310U - Low-temperature methanol washing energy recycling device - Google Patents
Low-temperature methanol washing energy recycling device Download PDFInfo
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- CN210481310U CN210481310U CN201920933513.6U CN201920933513U CN210481310U CN 210481310 U CN210481310 U CN 210481310U CN 201920933513 U CN201920933513 U CN 201920933513U CN 210481310 U CN210481310 U CN 210481310U
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Abstract
The utility model relates to a recovery unit technical field specifically is a low temperature methyl alcohol washes energy recuperation's device, including high-pressure district input pipeline, hydraulic turbine import control system, export interlocking cut-off system, the energy recuperation structure, decompression governing system and interlock, high-pressure district input pipeline front end intercommunication high-pressure liquid case, high-pressure input pipeline rear end communicates to hydraulic turbine, be equipped with hydraulic turbine import control system in the middle of the high-pressure input pipeline, hydraulic turbine opposite side intercommunication low-pressure district output pipeline, export check valve is connected to low-pressure district input pipeline front end, be provided with export interlocking cut-off system in the middle of the low-pressure input pipeline, the terminal intercommunication low-pressure liquid case of low-pressure input pipeline, beneficial effect is: can effectively recover the energy of the high-pressure liquid, can also reduce the electric energy effect and achieve the effects of saving energy and reducing consumption.
Description
Technical Field
The utility model relates to recovery unit technical field specifically is a low temperature methyl alcohol washes energy recuperation's device.
Background
Low temperature methanol scrubbing (Rectisol) is a gas purification process developed jointly by Linde (Linde) and Lurgi (Lurgi) in germany in the early 50 th of the 20 th century. The low-temperature methanol washing process is mature in technology, has good application performance in industry, and is widely applied to gas purification devices for synthesizing ammonia, methanol and other carbonyl synthesis, city gas, industrial hydrogen production, natural gas desulfurization and the like at home and abroad. The technology is introduced into China in the 70 s, and is also mostly adopted in domestic large-scale synthetic ammonia devices which are built by taking coal and residual oil as raw materials, the technology is mainly used for separating gas by means of different solubilities of carbon dioxide and hydrogen sulfide in low-temperature methanol and higher than other gases, and according to physical property data, the higher the pressure is, the more the absorption is facilitated, and the lower the pressure is, the more the desorption is facilitated. Mainly comprises units of high-pressure absorption, medium-pressure flash evaporation, low-pressure desorption, heating regeneration and the like. At present, the common pressure reduction treatment method for high-pressure medium-pressure flash evaporation in China generally adopts valve control, and high-pressure rich methanol flows to a medium-pressure area to be desorbed to reach the corresponding production standard. However, the pressure potential energy is wasted and the consumption is increased.
The hydraulic turbine technology in China is mature, and the investment cost is greatly reduced
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy recuperation's device is washed to low temperature methyl alcohol to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a device for recycling energy of low-temperature methanol washing comprises a high-pressure area input pipeline, a hydraulic turbine inlet control system, an outlet interlocking cutting system, an energy recycling structure, a pressure reduction regulation system and an interlocking device, wherein the front end of the high-pressure area input pipeline is communicated with a high-pressure liquid tank, the rear end of the high-pressure area input pipeline is communicated with a hydraulic turbine, the middle of the high-pressure area input pipeline is provided with the hydraulic turbine inlet control system, the other side of the hydraulic turbine is communicated with a low-pressure area output pipeline, the front end of the low-pressure area input pipeline is connected with an outlet check valve, the middle of the low-pressure area input pipeline is provided with the outlet interlocking cutting system, the tail end of the low-pressure area input pipeline is communicated with a low-pressure liquid tank, the high-pressure liquid tank and the low-pressure liquid tank are communicated and provided with the pressure, the interlock is connected to the energy recovery structure.
Preferably, the hydraulic turbine inlet control system comprises a pneumatic regulating valve, the high-pressure area input pipelines on the front side and the rear side of the pneumatic regulating valve are communicated with a stop valve, and one end, close to the hydraulic turbine, of the high-pressure area input pipeline is communicated with an inlet filter.
Preferably, the outlet interlocking and cutting system comprises a pneumatic cutting valve, and the front end of the pneumatic cutting valve is communicated with a cutting valve.
Preferably, the pressure reduction regulating system comprises a pneumatic regulating valve, and two sides of the pneumatic regulating valve are communicated with a stop valve.
Preferably, the hydraulic turbine inlet control system, the outlet interlocking cut-off system and the pressure reduction regulation system are communicated through an interlocking device, and three groups of auxiliary meters are arranged on the interlocking device in an interlocking mode and are arranged on the hydraulic turbine inlet control system, the outlet interlocking cut-off system and the pressure reduction regulation system in an interlocking mode.
Preferably, the energy recovery structure comprises a hydraulic turbine, an output end of the hydraulic turbine is in transmission connection with an overrunning clutch, the overrunning clutch is in interlocking arrangement with a hydraulic turbine inlet control system, an outlet interlocking cutting system and a pressure reduction adjusting system, the overrunning clutch is in transmission connection with a driving motor, and the driving motor is in transmission connection with a pump.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can effectively retrieve the potential energy of high-pressure liquid, can also reduce the electric energy effect, reach energy saving and consumption reduction's effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 high-pressure area input pipeline, 2 pneumatic control valve, 3 stop valve, 4 auxiliary instruments, 5 inlet filter, 6 hydraulic turbine, 7 outlet check valve, 8 pneumatic stop valve, 9 low-pressure area output pipeline, 10 overrunning clutch, 11 driving motor, 12 pump, 13 interlocking device and 14 pressure reducing control system.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a low-temperature methanol washing energy recycling device comprises a high-pressure region input pipeline 1, a hydraulic turbine inlet control system, an outlet interlocking cutting system, an energy recycling structure, a pressure reducing regulation system 14 and an interlocking device 13, wherein the front end of the high-pressure region input pipeline 1 is communicated with a high-pressure liquid tank, the rear end of the high-pressure region input pipeline 1 is communicated with a hydraulic turbine 6, the middle of the high-pressure region input pipeline 1 is provided with the hydraulic turbine inlet control system, the other side of the hydraulic turbine 6 is communicated with a low-pressure region output pipeline 9, the front end of the low-pressure region input pipeline 9 is connected with an outlet check valve 7, the middle of the low-pressure region input pipeline 9 is provided with the outlet interlocking cutting system, the tail end of the low-pressure region input pipeline 9 is communicated with a low-pressure liquid tank, the high-pressure liquid tank and the low-pressure liquid tank are communicated, the interlock 13 is connected to the energy recovery structure.
The utility model discloses can further set up to, hydraulic turbine import control system includes pneumatic control valve 2, feeds through stop valve 3 on the high-pressure area input pipeline 1 of both sides around the pneumatic control valve 2, and high-pressure area input pipeline 1 is close to the one end intercommunication of hydraulic turbine 6 has imported filter 5, can control high-pressure liquid input through hydraulic turbine import control system, adjusts the energy input, makes energy recuperation more comprehensive.
The utility model discloses can further set up to, export interlocking cut-off system includes pneumatic trip valve 8, and 8 front ends of pneumatic trip valve intercommunication stop valve 3 can cut off high-pressure liquid's flow through export interlocking cut-off system, and the energy is great when preventing that high-pressure liquid flow is great, can not effectively the recovered energy still cause the condition of spare part damage, can effective protection device.
The utility model discloses can further set up to, the decompression governing system 14 includes pneumatic control valve 2, and pneumatic control valve 2 both sides intercommunication stop valve 3 can adjust the pressure in high-pressure liquid case and the low pressure liquid case through decompression governing system 14, improves the security, makes energy recuperation more smooth, prevents that accident from causing the accident.
The utility model discloses can further set up as, hydraulic turbine import control system, export interlocking cut-off system and decompression governing system 14 communicate through interlock 13, and the interlock is provided with three groups of attached instruments 4 on interlock 13, attached instrument 4 interlocking sets up on hydraulic turbine import control system, export interlocking cut-off system and decompression governing system 14, can set up hydraulic turbine import control system, export interlocking cut-off system and decompression governing system 14 and freewheel clutch 10 interlocking through interlock 13, make freewheel clutch 10 interlock regulation flow rotational speed, drive driving motor 11 when reaching required speed, reduce the power consumption, energy saving; when the rotating speed is lower than the required rotating speed, the driving motor 11 is automatically disconnected, and the system is disconnected; when the rotating speed exceeds the required rotating speed, the inlet and outlet valves are closed in an interlocking manner, and the work is stopped, so that the device can be effectively protected, and accidents are prevented from being caused.
The utility model discloses can further set up to, the energy recuperation structure includes hydraulic turbine 6, freewheel clutch 10 is connected in hydraulic turbine 6's output transmission, freewheel clutch 10 and hydraulic turbine import control system, export interlocking cut-off system and 14 interlocks of decompression governing system set up, freewheel clutch 10 transmission is connected driving motor 11, driving motor 11 transmission connecting pump 12, can wash the potential energy that produces with high-pressure liquid through the energy recuperation structure and turn into mechanical energy and carry out recycle, increase energy utilization, it is extravagant to reduce the energy, and the cost is reduced.
The working principle is as follows: when the hydraulic turbine engine works, high-pressure liquid is input from an input pipe 1 of a high-pressure area, enters an inlet filter 5 through a hydraulic turbine inlet control system, enters a hydraulic turbine 6 after being filtered by the inlet filter 5, potential energy generated by the high-pressure liquid is collected and transmitted to an overrunning clutch 10 through the hydraulic turbine 6, the overrunning clutch 10 is connected with a driving motor 11, the potential energy can be converted into mechanical energy through the hydraulic turbine 6 and transmitted to the driving motor 11 through the overrunning clutch 10, a pump 12 is driven by the driving motor 11, the overrunning clutch 10, the hydraulic turbine inlet control system, an outlet interlocking cutting-off system and a pressure reduction adjusting system 14 are connected through an interlocking device 13, the interlocking device 13 can adjust the rotating speed of the overrunning clutch 10, the flow rotating speed is adjusted in an interlocking manner, the driving motor 11 is driven when the required speed is reached, the electricity consumption is reduced, and energy is saved; when the rotating speed is lower than the required rotating speed, the driving motor 11 is automatically disconnected, and the system is disconnected; when the rotating speed exceeds the required rotating speed, the inlet and outlet valves are closed in an interlocking mode, potential energy waste can be effectively reduced through the hydraulic turbine 6, the potential energy is converted and recovered, the energy utilization rate is increased, the electric energy consumption can be reduced through the interlocking device 13, energy is saved, the outlet interlocking cut-off system can be used for pneumatically cutting off and closing the stop valve 3 in overspeed, and the equipment is prevented from being damaged in overspeed to cause safety accidents.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a device that energy recuperation utilized is washed to low temperature methyl alcohol, includes high pressure district input pipeline (1), hydraulic turbine import control system, export interlocking cut-off system, energy recuperation structure, decompression governing system (14) and interlock (13), its characterized in that: the front end of the high-pressure area input pipeline (1) is communicated with a high-pressure liquid tank, the rear end of the high-pressure area input pipeline (1) is communicated with a hydraulic turbine (6), a hydraulic turbine inlet control system is arranged in the middle of the high-pressure area input pipeline (1), the other side of the hydraulic turbine (6) is communicated with a low-pressure area input pipeline (9), the front end of the low-pressure area input pipeline (9) is connected with an outlet check valve (7), an outlet interlocking cut-off system is arranged in the middle of the low-pressure area input pipeline (9), the tail end of the low-pressure area input pipeline (9) is communicated with a low-pressure liquid tank, the high-pressure liquid tank and the low-pressure liquid tank are communicated and are provided with a pressure reduction regulating system (14), the hydraulic turbine inlet control system, the outlet interlocking cut-off system and the pressure reduction regulating system (14) are connected through an interlocking device (13), and the interlocking device (13) is connected with an energy recovery structure.
2. The device for recycling the energy of the low-temperature methanol washing according to claim 1, wherein: the hydraulic turbine inlet control system comprises a pneumatic control valve (2), wherein a stop valve (3) is communicated with high-pressure area input pipelines (1) on the front side and the rear side of the pneumatic control valve (2), and an inlet filter (5) is communicated with one end, close to a hydraulic turbine (6), of the high-pressure area input pipeline (1).
3. The device for recycling the energy of the low-temperature methanol washing according to claim 1, wherein: the outlet interlocking and cutting system comprises a pneumatic cut-off valve (8), and the front end of the pneumatic cut-off valve (8) is communicated with the cut-off valve (3).
4. The device for recycling the energy of the low-temperature methanol washing according to claim 1, wherein: the pressure reduction regulating system (14) comprises a pneumatic regulating valve (2), and two sides of the pneumatic regulating valve (2) are communicated with a stop valve (3).
5. The device for recycling the energy of the low-temperature methanol washing according to claim 1, wherein: the hydraulic turbine inlet control system, the outlet interlocking cut-off system and the pressure reduction regulation system (14) are communicated through an interlocking device (13), three groups of auxiliary instruments (4) are arranged on the interlocking device (13) in an interlocking mode, and the auxiliary instruments (4) are arranged on the hydraulic turbine inlet control system, the outlet interlocking cut-off system and the pressure reduction regulation system (14) in an interlocking mode.
6. The device for recycling the energy of the low-temperature methanol washing according to claim 1, wherein: the energy recovery structure comprises a hydraulic turbine (6), an output end of the hydraulic turbine (6) is in transmission connection with an overrunning clutch (10), the overrunning clutch (10) is in interlocking arrangement with a hydraulic turbine inlet control system, an outlet interlocking cut-off system and a pressure reduction adjusting system (14), the overrunning clutch (10) is in transmission connection with a driving motor (11), and the driving motor (11) is in transmission connection with a pump (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920933513.6U CN210481310U (en) | 2019-06-20 | 2019-06-20 | Low-temperature methanol washing energy recycling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920933513.6U CN210481310U (en) | 2019-06-20 | 2019-06-20 | Low-temperature methanol washing energy recycling device |
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| CN210481310U true CN210481310U (en) | 2020-05-08 |
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| CN201920933513.6U Active CN210481310U (en) | 2019-06-20 | 2019-06-20 | Low-temperature methanol washing energy recycling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040866A1 (en) * | 2022-08-26 | 2024-02-29 | 中国五环工程有限公司 | High-pressure urea solution pressure-reducing and energy-saving device for urea device and process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040866A1 (en) * | 2022-08-26 | 2024-02-29 | 中国五环工程有限公司 | High-pressure urea solution pressure-reducing and energy-saving device for urea device and process method |
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